Package org.apache.cloudstack.engine.subsystem.api.storage

Examples of org.apache.cloudstack.engine.subsystem.api.storage.SnapshotInfo

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        return snapshot;
    }

    @Override
    public Snapshot backupSnapshot(Long snapshotId) {
        SnapshotInfo snapshot = snapshotFactory.getSnapshot(snapshotId, DataStoreRole.Image);
        if (snapshot != null) {
            throw new CloudRuntimeException("Already in the backup snapshot:" + snapshotId);
        }

         return snapshotSrv.backupSnapshot(snapshot);
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    @DB
    public SnapshotInfo takeSnapshot(VolumeInfo volume) throws ResourceAllocationException {
        CreateSnapshotPayload payload = (CreateSnapshotPayload)volume.getpayload();
        Long snapshotId = payload.getSnapshotId();
        Account snapshotOwner = payload.getAccount();
        SnapshotInfo snapshot = snapshotFactory.getSnapshot(snapshotId, volume.getDataStore());
        snapshot.addPayload(payload);
        try {
            SnapshotStrategy snapshotStrategy = _storageStrategyFactory.getSnapshotStrategy(snapshot, SnapshotOperation.TAKE);

            if (snapshotStrategy == null) {
                throw new CloudRuntimeException("Can't find snapshot strategy to deal with snapshot:" + snapshotId);
            }

            snapshotStrategy.takeSnapshot(snapshot);

            try {
            postCreateSnapshot(volume.getId(), snapshotId, payload.getSnapshotPolicyId());

                UsageEventUtils.publishUsageEvent(EventTypes.EVENT_SNAPSHOT_CREATE, snapshot.getAccountId(), snapshot.getDataCenterId(), snapshotId, snapshot.getName(),
                    null, null, volume.getSize(), snapshot.getClass().getName(), snapshot.getUuid());
                SnapshotDataStoreVO snapshotStoreRef = _snapshotStoreDao.findBySnapshot(snapshotId, DataStoreRole.Image);
                // Correct the resource count of snapshot in case of delta snapshots.
                _resourceLimitMgr.decrementResourceCount(snapshotOwner.getId(), ResourceType.secondary_storage, new Long(volume.getSize() - snapshotStoreRef.getSize()));
            } catch (Exception e) {
                s_logger.debug("post process snapshot failed", e);
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                    List<SnapshotDataStoreVO> destroyedSnapshotStoreVOs = _snapshotStoreDao.listDestroyed(store.getId());
                    s_logger.debug("Secondary storage garbage collector found " + destroyedSnapshotStoreVOs.size() +
                        " snapshots to cleanup on snapshot_store_ref for store: " + store.getName());
                    for (SnapshotDataStoreVO destroyedSnapshotStoreVO : destroyedSnapshotStoreVOs) {
                        // check if this snapshot has child
                        SnapshotInfo snap = snapshotFactory.getSnapshot(destroyedSnapshotStoreVO.getSnapshotId(), store);
                        if (snap.getChild() != null) {
                            s_logger.debug("Skip snapshot on store: " + destroyedSnapshotStoreVO + " , because it has child");
                            continue;
                        }

                        if (s_logger.isDebugEnabled()) {
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        snapshotResponse.setCreated(snapshot.getCreated());
        snapshotResponse.setName(snapshot.getName());
        snapshotResponse.setIntervalType(ApiDBUtils.getSnapshotIntervalTypes(snapshot.getId()));
        snapshotResponse.setState(snapshot.getState());

        SnapshotInfo snapshotInfo = null;
        if (!(snapshot instanceof SnapshotInfo)) {
            snapshotInfo = snapshotfactory.getSnapshot(snapshot.getId(), DataStoreRole.Image);
        } else {
            snapshotInfo = (SnapshotInfo)snapshot;
        }

        if (snapshotInfo == null) {
            s_logger.debug("Unable to find info for image store snapshot with uuid " + snapshot.getUuid());
            snapshotResponse.setRevertable(false);
        } else {
        snapshotResponse.setRevertable(snapshotInfo.isRevertable());
        }

        // set tag information
        List<? extends ResourceTag> tags = ApiDBUtils.listByResourceTypeAndId(ResourceObjectType.Snapshot, snapshot.getId());
        List<ResourceTagResponse> tagResponses = new ArrayList<ResourceTagResponse>();
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        if (vol != null) {
            this.volume = (VolumeObjectTO)vol.getTO();
            this.setVmName(vol.getAttachedVmName());
        }

        SnapshotInfo parentSnapshot = snapshot.getParent();
        ArrayList<String> parentsArry = new ArrayList<String>();
        if (parentSnapshot != null) {
            this.parentSnapshotPath = parentSnapshot.getPath();
            while(parentSnapshot != null) {
                parentsArry.add(parentSnapshot.getPath());
                parentSnapshot = parentSnapshot.getParent();
            }
            parents =  parentsArry.toArray(new String[parentsArry.size()]);
            ArrayUtils.reverse(parents);
        }
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        snapshotResponse.setCreated(snapshot.getCreated());
        snapshotResponse.setName(snapshot.getName());
        snapshotResponse.setIntervalType(ApiDBUtils.getSnapshotIntervalTypes(snapshot.getId()));
        snapshotResponse.setState(snapshot.getState());

        SnapshotInfo snapshotInfo = null;
        if (!(snapshot instanceof SnapshotInfo)) {
            snapshotInfo = snapshotfactory.getSnapshot(snapshot.getId(), DataStoreRole.Image);
        } else {
            snapshotInfo = (SnapshotInfo)snapshot;
        }

        if (snapshotInfo == null) {
            s_logger.debug("Unable to find info for image store snapshot with uuid "+snapshot.getUuid());
            snapshotResponse.setRevertable(false);
        }else{
            snapshotResponse.setRevertable(snapshotInfo.isRevertable());
        }

        // set tag information
        List<? extends ResourceTag> tags = ApiDBUtils.listByResourceTypeAndId(ResourceObjectType.Snapshot, snapshot.getId());
        List<ResourceTagResponse> tagResponses = new ArrayList<ResourceTagResponse>();
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            fullSnapshot = (Boolean)payload;
        }
        if (fullSnapshot) {
            return dataStoreMgr.getImageStore(snapshot.getDataCenterId());
        } else {
            SnapshotInfo parentSnapshot = snapshot.getParent();
            // Note that DataStore information in parentSnapshot is for primary
            // data store here, we need to
            // find the image store where the parent snapshot backup is located
            SnapshotDataStoreVO parentSnapshotOnBackupStore = _snapshotStoreDao.findBySnapshot(parentSnapshot.getId(),
                    DataStoreRole.Image);
            if (parentSnapshotOnBackupStore == null) {
                return dataStoreMgr.getImageStore(snapshot.getDataCenterId());
            }
            return dataStoreMgr.getDataStore(parentSnapshotOnBackupStore.getDataStoreId(),
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            DataStore imageStore = findSnapshotImageStore(snapshot);
            if (imageStore == null) {
                throw new CloudRuntimeException("can not find an image stores");
            }

            SnapshotInfo snapshotOnImageStore = (SnapshotInfo) imageStore.create(snapshot);

            snapshotOnImageStore.processEvent(Event.CreateOnlyRequested);
            CopySnapshotContext<CommandResult> context = new CopySnapshotContext<CommandResult>(null, snapshot,
                    snapshotOnImageStore, future);
            AsyncCallbackDispatcher<SnapshotServiceImpl, CopyCommandResult> caller = AsyncCallbackDispatcher
                    .create(this);
            caller.setCallback(caller.getTarget().copySnapshotAsyncCallback(null, null)).setContext(context);
            motionSrv.copyAsync(snapshot, snapshotOnImageStore, caller);
        } catch (Exception e) {
            s_logger.debug("Failed to copy snapshot", e);
            result.setResult("Failed to copy snapshot:" + e.toString());
            try {
                snapObj.processEvent(Snapshot.Event.OperationFailed);
            } catch (NoTransitionException e1) {
                s_logger.debug("Failed to change state: " + e1.toString());
            }
            future.complete(result);
        }

        try {
            SnapshotResult res = future.get();
            if (res.isFailed()) {
                throw new CloudRuntimeException(res.getResult());
            }
            SnapshotInfo destSnapshot = res.getSnashot();
            return destSnapshot;
        } catch (InterruptedException e) {
            s_logger.debug("failed copy snapshot", e);
            throw new CloudRuntimeException("Failed to copy snapshot", e);
        } catch (ExecutionException e) {
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    }

    protected Void copySnapshotAsyncCallback(AsyncCallbackDispatcher<SnapshotServiceImpl, CopyCommandResult> callback,
            CopySnapshotContext<CommandResult> context) {
        CopyCommandResult result = callback.getResult();
        SnapshotInfo destSnapshot = context.destSnapshot;
        SnapshotObject srcSnapshot = (SnapshotObject) context.srcSnapshot;
        AsyncCallFuture<SnapshotResult> future = context.future;
        SnapshotResult snapResult = new SnapshotResult(destSnapshot, result.getAnswer());
        if (result.isFailed()) {
            try {
                destSnapshot.processEvent(Event.OperationFailed);
                //if backup snapshot failed, mark srcSnapshot in snapshot_store_ref as failed also
                srcSnapshot.processEvent(Event.DestroyRequested);
                srcSnapshot.processEvent(Event.OperationSuccessed);

                srcSnapshot.processEvent(Snapshot.Event.OperationFailed);
            } catch (NoTransitionException e) {
                s_logger.debug("Failed to update state: " + e.toString());
            }
            snapResult.setResult(result.getResult());
            future.complete(snapResult);
            return null;
        }

        try {
            CopyCmdAnswer answer = (CopyCmdAnswer) result.getAnswer();
            destSnapshot.processEvent(Event.OperationSuccessed, result.getAnswer());
            srcSnapshot.processEvent(Snapshot.Event.OperationSucceeded);
            snapResult = new SnapshotResult(_snapshotFactory.getSnapshot(destSnapshot.getId(),
                    destSnapshot.getDataStore()), answer);
            future.complete(snapResult);
        } catch (Exception e) {
            s_logger.debug("Failed to update snapshot state", e);
            snapResult.setResult(e.toString());
            future.complete(snapResult);
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    protected Void deleteSnapshotCallback(AsyncCallbackDispatcher<SnapshotServiceImpl, CommandResult> callback,
            DeleteSnapshotContext<CommandResult> context) {

        CommandResult result = callback.getResult();
        AsyncCallFuture<SnapshotResult> future = context.future;
        SnapshotInfo snapshot = context.snapshot;
        SnapshotResult res = null;
        try {
            if (result.isFailed()) {
                s_logger.debug("delete snapshot failed" + result.getResult());
                snapshot.processEvent(ObjectInDataStoreStateMachine.Event.OperationFailed);
                res = new SnapshotResult(context.snapshot, null);
                res.setResult(result.getResult());
            } else {
                snapshot.processEvent(ObjectInDataStoreStateMachine.Event.OperationSuccessed);
                res = new SnapshotResult(context.snapshot, null);
            }
        } catch (Exception e) {
            s_logger.debug("Failed to in deleteSnapshotCallback", e);
            res.setResult(e.toString());
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Related Classes of org.apache.cloudstack.engine.subsystem.api.storage.SnapshotInfo

  • com.cloud.api.ApiResponseHelper
  • com.cloud.storage.snapshot.SnapshotManagerImpl
  • com.cloud.storage.StorageManagerImpl
  • com.cloud.storage.VolumeManagerImpl
  • com.cloud.template.TemplateManagerImpl
  • org.apache.cloudstack.engine.orchestration.VolumeOrchestrator
  • org.apache.cloudstack.storage.datastore.ObjectInDataStoreManagerImpl
  • org.apache.cloudstack.storage.endpoint.DefaultEndPointSelector
  • org.apache.cloudstack.storage.motion.AncientDataMotionStrategy
  • org.apache.cloudstack.storage.snapshot.SnapshotDataFactoryImpl
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